你可能感興趣的試題

單項(xiàng)選擇題

You have been asked to use a 30 bit subnet mask to segment the following network block: 108.12.5.0. How many useable subnetworks and usable hosts could be created?（）

A.32 networks with 8 hosts
B.62 networks with 2 hosts
C.30 networks with 16 hosts
D.32 networks with 14 hosts

多項(xiàng)選擇題

Which three steps are part of the PPP CHAP 3-way handshake?（）

A.The caller sends a challenge to the authenticator.
B.The authenticator sends a challenge to the caller.
C.The caller encrypts the challenge using a secret.
D.The caller sends a success message to the authenticator.
E.The authenticator encrypts the challenge using a secret.